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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkAutoCropLabelMapFilter.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkAutoCropLabelMapFilter_h
#define __itkAutoCropLabelMapFilter_h
#include "itkChangeRegionLabelMapFilter.h"
namespace itk
{
/** \class AutoCropLabelMapFilter
* \brief Crop a LabelMap image to fit exactly the objects in the LabelMap.
*
* The CropBorder can be used to add a border which will never be larger than
* the input image. To add a border of size independent of the input image,
* PadLabelMapFilter can be used.
*
* This implementation was taken from the Insight Journal paper:
* http://hdl.handle.net/1926/584 or
* http://www.insight-journal.org/browse/publication/176
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* \sa PadLabelMapFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
*/
template <class TInputImage>
class ITK_EXPORT AutoCropLabelMapFilter :
public ChangeRegionLabelMapFilter<TInputImage>
{
public:
/** Standard class typedefs. */
typedef AutoCropLabelMapFilter Self;
typedef ChangeRegionLabelMapFilter<TInputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard New method. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(AutoCropLabelMapFilter, ChangeRegionImageFilter);
/** Superclass typedefs. */
typedef typename Superclass::OutputImageType OutputImageType;
typedef typename Superclass::OutputImagePointer OutputImagePointer;
typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
typedef typename Superclass::OutputImagePixelType OutputImagePixelType;
/** Some convenient typedefs. */
typedef TInputImage InputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename InputImageType::LabelObjectType LabelObjectType;
typedef typename InputImageType::PixelType PixelType;
typedef typename InputImageType::IndexType IndexType;
typedef typename InputImageType::SizeType SizeType;
typedef typename InputImageType::RegionType RegionType;
typedef TInputImage TOutputImage;
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);
itkStaticConstMacro(ImageDimension, unsigned int, TOutputImage::ImageDimension);
/**
* Set/Get the border added to the mask before the crop. The default is 0 on * all the axis.
*/
itkSetMacro(CropBorder, SizeType);
itkGetConstReferenceMacro(CropBorder, SizeType);
itkGetConstReferenceMacro(MinIndex, IndexType);
itkGetConstReferenceMacro(MaxIndex, IndexType);
protected:
AutoCropLabelMapFilter();
~AutoCropLabelMapFilter() {};
void PrintSelf(std::ostream& os, Indent indent) const;
virtual void GenerateOutputInformation();
private:
AutoCropLabelMapFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
void FindBoundingBox();
void SetAndPadCropRegion();
SizeType m_CropBorder;
TimeStamp m_CropTimeStamp;
IndexType m_MinIndex;
IndexType m_MaxIndex;
InputImageRegionType m_CropRegion;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAutoCropLabelMapFilter.txx"
#endif
#endif
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